<div class="row clearfix">
  <div class="col-xs-12 col-sm-10 col-lg-12">
    <div class="panel panel-warning">
      <div class="panel-heading">
        <h3 class="panel-title">Not Found</h3>
      </div>
      <div class="panel-body text-center">
        <p>Oops...You've stepped in a desert with nothing...</p>
        <a href="/">
          <button class="btn btn-warning">Back to Home</button>
        </a>
      </div>
    </div>
  </div>
</div>